In C$++$

When the following code is run a compilation error will appear. Add the necessary code to fix it$.$ Run your

program without compilation errors.

$****************************************$

#include string

#include iostream

using namespace std;

class A$\{$

$\}$;

int main$()$

$\{$

A a;

try

$\{$ throw a;

$\}$

catch $($A x$)$

$\{$

cout $<<$ "you threw the object: $"<<$ x;

$\}$

return $0$;

$\}$